Home / 255,930,580.76-353,226,434.82-156,866,433.80

Finding the Fourth Proportional to 255,930,580.76, 353,226,434.82 and 156,866,433.80

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Solution

The fourth proportional to 255,930,580.76, 353,226,434.82 and 156,866,433.80 is: 216,501,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,930,580.76 : 353,226,434.82 = 156,866,433.80 : x
  2. Step 2: Convert to fraction form
    255,930,580.76/353,226,434.82 = 156,866,433.80/x
  3. Step 3: Cross multiply
    255,930,580.76x = 353,226,434.82 × 156,866,433.80
  4. Step 4: Simplify right side
    255,930,580.76x = 55,409,371,154,101,552
  5. Step 5: Solve for x
    x = 55,409,371,154,101,552/255,930,580.76
  6. Step 6: Final answer
    x = 216,501,564.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.